890475660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:645

約数の個数: 192

約数和(自身を含む): 2936640000

約数和(自身を除く): 2046164340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 229, 270, 285, 342, 379, 380, 458, 513, 540, 570, 684, 687, 758, 855, 916, 1026, 1137, 1140, 1145, 1374, 1516, 1710, 1895, 2052, 2061, 2274, 2290, 2565, 2748, 3411, 3420, 3435, 3790, 4122, 4351, 4548, 4580, 5130, 5685, 6183, 6822, 6870, 7201, 7580, 8244, 8702, 10233, 10260, 10305, 11370, 12366, 13053, 13644, 13740, 14402, 17055, 17404, 20466, 20610, 21603, 21755, 22740, 24732, 26106, 28804, 30915, 34110, 36005, 39159, 40932, 41220, 43206, 43510, 51165, 52212, 61830, 64809, 65265, 68220, 72010, 78318, 86412, 86791, 87020, 102330, 108015, 117477, 123660, 129618, 130530, 144020, 156636, 173582, 194427, 195795, 204660, 216030, 234954, 259236, 260373, 261060, 324045, 347164, 388854, 391590, 432060, 433955, 469908, 520746, 587385, 648090, 777708, 781119, 783180, 867910, 972135, 1041492, 1174770, 1296180, 1301865, 1562238, 1649029, 1735820, 1944270, 2343357, 2349540, 2603730, 3124476, 3298058, 3888540, 3905595, 4686714, 4947087, 5207460, 6596116, 7811190, 8245145, 9373428, 9894174, 11716785, 14841261, 15622380, 16490290, 19788348, 23433570, 24735435, 29682522, 32980580, 44523783, 46867140, 49470870, 59365044, 74206305, 89047566, 98941740, 148412610, 178095132, 222618915, 296825220, 445237830, 890475660]

約数ペア:

[(1, 890475660), (2, 445237830), (3, 296825220), (4, 222618915), (5, 178095132), (6, 148412610), (9, 98941740), (10, 89047566), (12, 74206305), (15, 59365044), (18, 49470870), (19, 46867140), (20, 44523783), (27, 32980580), (30, 29682522), (36, 24735435), (38, 23433570), (45, 19788348), (54, 16490290), (57, 15622380), (60, 14841261), (76, 11716785), (90, 9894174), (95, 9373428), (108, 8245145), (114, 7811190), (135, 6596116), (171, 5207460), (180, 4947087), (190, 4686714), (228, 3905595), (229, 3888540), (270, 3298058), (285, 3124476), (342, 2603730), (379, 2349540), (380, 2343357), (458, 1944270), (513, 1735820), (540, 1649029), (570, 1562238), (684, 1301865), (687, 1296180), (758, 1174770), (855, 1041492), (916, 972135), (1026, 867910), (1137, 783180), (1140, 781119), (1145, 777708), (1374, 648090), (1516, 587385), (1710, 520746), (1895, 469908), (2052, 433955), (2061, 432060), (2274, 391590), (2290, 388854), (2565, 347164), (2748, 324045), (3411, 261060), (3420, 260373), (3435, 259236), (3790, 234954), (4122, 216030), (4351, 204660), (4548, 195795), (4580, 194427), (5130, 173582), (5685, 156636), (6183, 144020), (6822, 130530), (6870, 129618), (7201, 123660), (7580, 117477), (8244, 108015), (8702, 102330), (10233, 87020), (10260, 86791), (10305, 86412), (11370, 78318), (12366, 72010), (13053, 68220), (13644, 65265), (13740, 64809), (14402, 61830), (17055, 52212), (17404, 51165), (20466, 43510), (20610, 43206), (21603, 41220), (21755, 40932), (22740, 39159), (24732, 36005), (26106, 34110), (28804, 30915)]